<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>any-link</title>
		<style>
			:any-link {
				color: skyblue;
			}
			:any-link:hover {
				color: deepskyblue;
			}
		</style>
	</head>
	<body>
		<h2>link,visited,any-link</h2>
		<h4>any-link准确识别连接、不被visited干扰</h4>
		<a>我是一个没有设置herf的a标签</a>
		<a href="">我是一个挺规整的a标签</a>
	</body>
</html>
